﻿// Copyright 2013-2020 Dirk Lemstra <https://github.com/dlemstra/Magick.NET/>
//
// Licensed under the ImageMagick License (the "License"); you may not use this file except in
// compliance with the License. You may obtain a copy of the License at
//
//   https://www.imagemagick.org/script/license.php
//
// Unless required by applicable law or agreed to in writing, software distributed under the
// License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
// either express or implied. See the License for the specific language governing permissions
// and limitations under the License.

namespace ImageMagick
{
    internal sealed class ExifNumberArray : ExifArrayValue<Number>
    {
        public ExifNumberArray(ExifTag<Number[]> tag)
            : base(tag)
        {
        }

        public override ExifDataType DataType
        {
            get
            {
                if (Value == null)
                {
                    return ExifDataType.Short;
                }

                for (int i = 0; i < Value.Length; i++)
                {
                    if (Value[i] > ushort.MaxValue)
                        return ExifDataType.Long;
                }

                return ExifDataType.Short;
            }
        }
    }
}
